[jira] [Commented] (MRESOLVER-231) Extend "smart checksum" feature of resolver

["Tamás Cservenák (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MRESOLVER-231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17459426#comment-17459426 ] 

Tamás Cservenák commented on MRESOLVER-231:
-------------------------------------------

https://github.com/apache/maven-resolver/pull/140 adds "smart checksum" support for maven-resolver-transfer-http, unsure how to do this with Wagon :(

> Extend "smart checksum" feature of resolver
> -------------------------------------------
>
>                 Key: MRESOLVER-231
>                 URL: https://issues.apache.org/jira/browse/MRESOLVER-231
>             Project: Maven Resolver
>          Issue Type: Task
>          Components: Resolver
>            Reporter: Tamás Cservenák
>            Priority: Major
>             Fix For: 1.7.3
>
>
> So far only Sonatype Nexus2 was supported (by http-transport).
> This feature cuts back one extra HTTP roundtrip (to get sha1/md5), if they are already sent by upstream repository. And not only Nexus2 sends them. Effectively, if X artifacts are requested, this potentially halves HTTP request count (as X and X.hash is being request currently).



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